GBASEA Natural Barium Sulfate Extinction B100 for High-Gloss Coatings

Product Overview‌

GBASEA Natural Barium Sulfate Extinction B100 is a micronized, high-purity natural barium sulfate extender engineered to deliver unparalleled surface smoothness, gloss enhancement, and durability in high-performance industrial coatings. Mined from premium baryte ore and refined through a zero-waste, eco-certified process, B100 optimizes light reflection and film integrity, enabling ‌15–20% higher 60° gloss retention‌ compared to conventional extenders like calcium carbonate or precipitated barium sulfate. With a tightly controlled particle size distribution (D50: 0.5–1.0 µm) and ultra-low oil absorption (12–16 g/100g), this extender achieves flawless flow-out in high-gloss automotive, appliance, and marine coatings while reducing TiO2 consumption by ‌10–18%‌ through advanced pigment spacing.

Certified under REACH, RoHS, and ISO 14001, B100 is the sustainable choice for formulators seeking to balance premium aesthetics with environmental compliance. Its inert chemistry and exceptional dispersion stability make it ideal for solvent-borne, waterborne, and UV-curable systems requiring mirror-like finishes and long-term resistance to weathering, abrasion, and chemical exposure.

‌Key Features & Competitive Advantages‌

1. ‌Gloss Enhancement & Surface Perfection‌

   • ‌Optical Uniformity:‌ Minimizes micro-texture defects (orange peel) via monodisperse particle distribution (PDI <0.2).
   • ‌60° Gloss Retention:‌ Achieves 90–100 GU in topcoats, outperforming talc or silica extenders by 25–30%.
   • ‌TiO2 Synergy:‌ Aligns refractive index (1.64) with TiO2 (2.7) to maximize light scattering efficiency.

2. ‌Processing Efficiency & Cost Savings‌

   • ‌Ultra-Low Oil Absorption (12–16 g/100g):‌ Reduces resin demand by 15–20%, lowering formulation costs.
   • ‌Shear-Thinning Rheology:‌ Prevents sagging in vertical applications without compromising sprayability.
   • ‌Dispersion Stability:‌ 95% Hegman grind gauge readings even after 72-hour storage (ASTM D1210).

3. ‌Extreme Durability‌

   • ‌Chemical Resistance (pH 1–14):‌ Withstands sulfuric acid, caustic soda, and marine salt spray (ASTM B117).
   • ‌Abrasion Resistance:‌ 30% improvement in Taber abrasion (ASTM D4060) and pencil hardness (2H–3H).
   • ‌Thermal Stability (1,500°C):‌ Zero decomposition in powder coatings or high-bake automotive systems.

4. ‌Sustainability & Compliance‌

   • ‌Natural Sourcing:‌ Low heavy-metal baryte ore (≤5 ppm Pb/Cd/As) with 90% closed-loop water recycling.
   • ‌Carbon Footprint:‌ 0.6 kg CO₂/kg (70% lower than synthetic barium sulfate).
   • ‌Dust-Free Handling:‌ OSHA-compliant granules with ≤0.1% respirable particles.

‌Technical Differentiation: B100 vs. Competing Extenders‌

‌Applications‌

B100 is engineered for high-gloss coatings across industries demanding aesthetic excellence and rugged performance:

‌1. Automotive & Transportation‌

• ‌OEM Clearcoats:‌ Enhances depth-of-gloss and scratch resistance in 2K polyurethane systems.
• ‌UV-Curable Finishes:‌ Reduces viscosity spikes and ensures bubble-free curing for interior trims.
• ‌E-Coat Primers:‌ Improives throw power and crater resistance in electrodeposition coatings.

‌2. Appliances & Consumer Electronics‌

• ‌High-Gloss ABS/PC Coatings:‌ Delivers fingerprint-resistant finishes for refrigerators and touchscreens.
• ‌UV-LED Curable Coatings:‌ Enables rapid curing (<5 seconds) for smartphone casings and laptop lids.
• ‌Anti-Static Coatings:‌ Enhances conductivity (10⁶–10⁸ Ω/sq) in cleanroom equipment finishes.

‌3. Marine & Aerospace‌

• ‌Yacht Topcoats:‌ Combines mirror gloss with antifouling properties in polysiloxane systems.
• ‌Aircraft Interiors:‌ Flame-retardant, low-VOC coatings compliant with FAA and EASA standards.
• ‌Helicopter Rotor Blades:‌ UV-resistant finishes with de-icing capabilities.

‌4. Industrial & Architectural‌

• ‌Self-Healing Coatings:‌ Microcapsule-compatible extender for scratch-filling automotive wraps.
• ‌Anti-Graffiti Coatings:‌ Facilitates easy cleaning without gloss loss in urban infrastructure.
• ‌High-Build Epoxies:‌ Sag-resistant flow for flooring and chemical tank linings.

‌Technical Specifications‌

‌Production Process‌

B100 is manufactured through a 12-stage, zero-discharge process:

1. ‌Ore Selection:‌ High-grade baryte ore with ≤5 ppm heavy metals.
2. ‌Crushing & Grinding:‌ Jaw crushers and vertical roller mills to 400-mesh fineness.
3. ‌Purification:‌ Acid-free froth flotation to remove silica and iron oxides.
4. ‌Micronization:‌ Wet grinding with alumina beads to submicron sizes.
5. ‌Surface Treatment:‌ Silane coupling agents for hydrophobic compatibility.
6. ‌Filtration:‌ Ceramic membrane filtration to 99.95% purity.
7. ‌Drying:‌ Belt drying at 150°C with dehumidified air.
8. ‌Classification:‌ Multi-stage air classification to remove +1.5 µm particles.
9. ‌Quality Control:‌ ICP-MS for heavy metals, BET for surface area (8–12 m²/g).
10. ‌Eco-Processing:‌ 100% process water recycling and 80% renewable energy usage.
11. ‌Homogenization:‌ 3D blending for batch uniformity (RSD <1%).
12. ‌Packaging:‌ 25 kg UV-resistant PE bags with moisture barrier.

‌Why Choose GBASEA B100?‌

1. ‌Technical Superiority‌

   • Patented micronization technology for ultra-narrow particle distribution.
   • Customizable surface modifications (amino, epoxy, or carboxyl functionalization).

2. ‌Global Compliance‌

   • Full REACH, UK REACH, and China GB 24409-2020 certification.
   • Halogen-free, APEO-free, and compliant with TSCA and Japan CSCL.

3. ‌Sustainability Leadership‌

   • Carbon-neutral production via biogas and solar energy integration.
   • 95% solvent recovery and zero landfill waste.

4. ‌Application Support‌

   • Free formulation audits to optimize gloss-to-cost ratios.
   • On-site training for dispersion, viscosity, and gloss measurement.

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